InP-based planar photonic crystal waveguide in honeycomb lattice geometry for TM-polarized light

We investigate manufacturable substrate-type photonic crystal waveguides relying on honeycomb lattice geometry, which shows large photonic bandgaps for TM-polarized light. To the best of our knowledge, air-hole-based photonic crystal slab waveguides with photonic bandgaps for TM-polarized light are...

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Bibliographic Details
Published in:Optics letters 2009-05, Vol.34 (10), p.1558-1560
Main Authors: PING MA, KASPAR, Peter, FEDORYSHYN, Yuriy, STRASSER, Patric, JÄCKEL, Heinz
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optical elements, devices, and systems
Optical materials
Optical waveguides and coupleurs
Optics
Photonic bandgap materials
Physics
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Summary:We investigate manufacturable substrate-type photonic crystal waveguides relying on honeycomb lattice geometry, which shows large photonic bandgaps for TM-polarized light. To the best of our knowledge, air-hole-based photonic crystal slab waveguides with photonic bandgaps for TM-polarized light are experimentally demonstrated for the first time. The results are analyzed with numerical simulations based on the plane-wave expansion and the finite-difference time-domain method. The transmission spectra are measured, and a minimal propagation loss of 1600 dB/cm of TM modes at lambda=1520 nm for lattice constant a=590 nm is acquired with the cut-back method.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.34.001558